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Yamatoite Mineral Data
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General Yamatoite Information
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 Chemical Formula: |
(Mn++,Ca)3(V+++,Al)2(SiO4)3 |
| Composition: |
Molecular Weight = 519.82 gm |
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Calcium 5.78 % Ca 8.09 % CaO |
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Manganese 23.78 % Mn 30.70 % MnO |
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Aluminum 2.60 % Al 4.90 % Al2O3 |
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Vanadium 14.70 % V 21.62 % V2O3 |
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Silicon 16.21 % Si 34.68 % SiO2 |
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Oxygen 36.93 % O |
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______ ______ |
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100.00 % 100.00 % = TOTAL OXIDE |
| Empirical Formula: |
Mn2+2.25Ca0.75V3+1.5Al0.5(SiO4)3 |
| Environment: |
Discredited as Mn goldmanite, yet to be found in nature. A hypothicical Mn-V-dominant garnet end member. |
| IMA Status: |
Discredited IMA 1967 (Dana # Added) |
| Locality: |
Yamato mine, Kagoshima prefecture, Japan. Link to MinDat.org Location Data. |
| Name Origin: |
Named for the locality. |
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